package com.wnxy.controller;


import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.sun.deploy.net.HttpResponse;
import com.wnxy.annotation.BuyValidate;
import com.wnxy.config.AlipayConfig;
import com.wnxy.dto.OrderDto;
import com.wnxy.dto.OrderValidateDto;
import com.wnxy.dto.Result;
import com.wnxy.dto.StatusCode;
import com.wnxy.service.OrderService;
import com.wnxy.util.GetRequestUtil;
import com.wnxy.vo.OrderValideVo;
import com.wnxy.vo.OrderVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * <p>
 * 前端控制器
 * </p>
 *
 * @author alice
 * @since 2021-10-25
 */
@RestController
@RequestMapping("/order")
public class OrderController {
    @Autowired
    private OrderService orderService;

    @PostMapping("/sendCode")
    public Result sendCode(@RequestBody OrderValideVo orderValideVo) throws IllegalAccessException {
        OrderValidateDto orderValidateDto = orderService.sendCode(orderValideVo);
        return Result.getInstance().setFlag(true)
                .setStatusCode(StatusCode.SUCCESS.getCode())
                .setMessage("验证码发送成功").setData(orderValidateDto);
    }

    //    @BuyValidate
    @PostMapping("/create")
    public String createOrder(HttpServletResponse response) throws IllegalAccessException, AlipayApiException, IOException {
        OrderDto order = orderService.createOrder();
        System.out.println(order);
        response.setContentType("application/json:charset=utf-8");
        response.setCharacterEncoding("utf-8");
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = order.getOrderNo();
        String total_amount = order.getOrderTotal() + "";
        //订单名称，必填
        String subject = "门票";
        String body = "测试订单";
        alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                + "\"total_amount\":\"" + total_amount + "\","
                + "\"subject\":\"" + subject + "\","
                + "\"body\":\"" + body + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();
        //输出
        System.out.println(result);
        return result;
    }

    @RequestMapping("/pay")
    public String payOrder(HttpServletResponse response) throws IllegalAccessException, AlipayApiException, IOException {
        HttpServletRequest request = GetRequestUtil.getRequest();
        response.setContentType("application/json:charset=utf-8");
        response.setCharacterEncoding("utf-8");
        System.out.println("支付开始");

        //获取支付宝POST过来反馈信息
        Map<String, String> params = new HashMap<String, String>();
        Map<String, String[]> requestParams = request.getParameterMap();

        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名
        System.out.println(params);
        System.out.println(AlipayConfig.alipay_public_key);
        System.out.println(AlipayConfig.charset);
        System.out.println(AlipayConfig.sign_type);
         signVerified=true;
        System.out.println(signVerified);
        //——请在这里编写您的程序（以下代码仅作参考）——

	/* 实际验证过程建议商户务必添加以下校验：
	1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
	2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
	3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
	4、验证app_id是否为该商户本身。
	*/
        if (signVerified) {//验证成功
            //商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //交易状态
            String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"), "UTF-8");
            System.out.println(trade_status);
            if (trade_status.equals("TRADE_FINISHED")) {
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序
                orderService.failure(out_trade_no);
                System.out.println(1);
                //注意：
                //退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
            } else if (trade_status.equals("TRADE_SUCCESS")) {
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序
                //修改订单状态
                //注意：
                System.out.println("支付完成");
                //付款完成后，支付宝系统发送该交易状态通知
                orderService.finish(out_trade_no);
            }

//            response.getWriter().println("success");
            return "success";

        } else {//验证失败
//            response.getWriter().println("fail");
            return "fail";
            //调试用，写文本函数记录程序运行情况是否正常
            //String sWord = AlipaySignature.getSignCheckContentV1(params);
            //AlipayConfig.logResult(sWord);
        }
    }
}

